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Contact Details
Peter Miles
Northam, Western Australia
QRZ Page: VK6YSF
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KENWOOD TS-430S
Kenwood TS-430S, All mode HF
transceiver is popular for its reliability, simplicity, and
serviceability.
Below
are the detailed technical specifications and features for the Kenwood
TS-430S
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General Specification
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Details
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Receiver
Type
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Hybrid:
Direct Sampling (HF), Superhet Tuner (VHF)
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Frequency
Coverage
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0.5–31
MHz (HF), 60–260 MHz (VHF)
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Intermediate
Frequencies
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Direct
conversion (HF), RFFC2072 tuner IF (VHF)
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Tuning
Steps
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1 Hz
(software defined)
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Selectivity
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Software
defined (10 Hz – 768 kHz BW)
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Sensitivity
(HF)
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-135
dBm ≈ 0.056 µV (typical, 500 Hz BW)
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Sensitivity
(VHF)
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-125
dBm ≈ 0.18 µV (typical, 500 Hz BW)
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Dynamic
Range (HF)
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>110
dB
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Dynamic
Range (VHF)
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~95
dB
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Image
Rejection
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>80
dB (HF)
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Preselector
/ Filtering
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Automatic
tracking filters (HF & VHF)
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LO
Phase Noise
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<
–135 dBc/Hz @ 10 kHz offset
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Noise
Figure (HF)
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~1 dB
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Noise
Figure (VHF)
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~3 dB
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AGC
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Digital
AGC (software-controlled)
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Squelch
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Software-controlled
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Audio
Output
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IQ
stream only via USB
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Interface
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USB
2.0 Micro-B
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Power
Supply
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USB
powered (~200 mA)
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Antenna
Connector
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SMA
female (50 ohm)
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Form
Factor
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49 ×
29 × 10 mm, ~20 g
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Transmitter
Specification
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Details
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Output
Power
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Max
100 W (SSB/CW/FSK)
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40 W
AM (carrier)
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Final
Amplifier
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2 ×
2SC2290 bipolar transistors
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Spurious
Emissions
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≥
50 dB below carrier
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Microphone
Impedance
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600
ohms (standard 8-pin)
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Duty
Cycle
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100%
at rated power with good ventilation
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Carrier
Suppression
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>
40 dB
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Audio
Response
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400–2600
Hz (SSB), 300–2300 Hz (AM)
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Receiver
Specification
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Details
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Receiver
Type
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Dual
conversion superheterodyne
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1st
IF
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8.83
MHz
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2nd
IF
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455
kHz
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Sensitivity
(12 dB SINAD)
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~0.25
µV ≈ –121 dBm (SSB/CW)
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1.0
µV ≈ –106 dBm (AM)
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Selectivity
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SSB:
2.4 kHz @ –6 dB (standard filter)
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AM: 6
kHz typical
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Image
Rejection
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≥
60 dB
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IF
Rejection
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≥
70 dB
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Audio
Output
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1.5 W
into 8 ohms (rear jack), 4 W max
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AGC
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Fast,
slow, off selectable
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Noise
Blanker
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Yes
(adjustable threshold)
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Preamp
/ Attenuator
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Yes:
+10 dB preamp and –20 dB attenuator
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Notch
Filter
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Manual,
analog
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Features
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Dual
VFOs (A/B), Allows split operation or A/B channel recall
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10
Memory Channels
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Digital
Frequency Display, Resolution: 100 Hz or 10 Hz steps
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Noise
Blanker
Reduces ignition and pulse-type noise
Front-panel adjustable threshold
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AGC
(Automatic Gain Control)
• Selectable: fast, slow, off
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Manual
Notch Filter control to reduce heterodynes
Rear
Panel Connectors
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ANT:
Primary RF connection. Use 50-ohm coax to an external HF antenna
system (e.g. dipole, vertical, etc.).
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DRV
(Drive Out): Delivers a low-level RF signal (useful for
transverters or driver stages). Not commonly used by most
operators.
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SEND:
Grounds on TX. Use to key external linear amplifiers.
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ACC
Jacks: Support integration with audio interfaces, digital mode
modems (e.g. AFSK, RTTY, PSK31), and other accessories.
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EXT
SPKR: Rear panel speaker disables internal speaker when in use.
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KEY
Jack: Direct CW key input; supports straight key or keyer paddle
depending on menu setup.
Repairs,
maintenance and related projects
For further technical information see:
http://www.g3ynh.info/commercial/TS430.html
TOP
OF PAGE
Page initiated 01 June
2019
Page
last revised 13 July, 2025
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Space Weather
https://www.swpc.noaa.gov/
Notice Board
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VK6YSF JS8Call,
FSQ and
Olivia 8/250 operations.
Current
activity is generally, however not restricted to operations with
JS8Call, FSQ and Olivia 8/250 on the 20m and 40m band.
Proposed
band and mode activity
is often communicated on HamSpots: https://hamspots.net/js8/
or my profile on
X: https://x.com/vk6ysf97230
.
Feel free to contact
me to discuss or arrange a schedule for a contact.
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VK6MJM LF (136 kHz) and MF (474
kHz) Beacon
VK6MJM is a LF/MF station
located in Manjimup, Western Australia.
Mode: Mode: FST4W 300 (Similar to WSPR)
Station details were presented by
Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter
Hall VK6HP at PerthTech
QRZ Page: VK6MJM
on QRZ.com
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